US PATENT SUBCLASS 422 / 19
.~.~.~ Using heavy metal or compound thereof

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

1  DF  PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING {15}
7  DF  .~ Maintaining environment nondestructive to metal {5}
14  DF  .~.~ Essentially pure water environment {5}
19.~.~.~ Using heavy metal or compound thereof

DEFINITION

Classification: 422/19

Using heavy metal or compound thereof:

(under subclass 14) Process wherein a metal of specific gravity of 4 or greater or a compound thereof is employed.